WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools
Illustration
Tool Name
Tool Number
Courtesy of FORD MOTOR CO.
Feeler Gauge Set
303-D027 (D81L-4201-A) or equivalent
Inspect the piston for ring land damage or accelerated wear.
Fig 1: Identifying Piston
Courtesy of FORD MOTOR CO.
Using the Feeler Gauge Set, measure the piston ring-to-groove clearance.
Fig 2: Measuring Piston Ring-To-Groove Clearance Using Feeler Gauge Set